| Acronym | Definition |
|---|
| ICIS | Integrated Compliance Information System |
| ICIS | Institut Canadien d' Information sur la Santé |
| ICIS | International Conference on Information Systems |
| ICIS | International Conference on Intelligent Systems |
| ICIS | Institute for Civil Infrastructure Systems |
| ICIS | Institute for Cooperation in Space |
| ICIS | International Conference on Computer and Information Science |
| ICIS | Interactive Collaborative Information Systems (research project; Netherlands) |
| ICIS | International Crop Information System |
| ICIS | Integrated Clinical Information System |
| ICIS | International Center for Integrative Studies |
| ICIS | Information Communication Institute of Singapore |
| ICIS | Integrated Criminal Information System (various locations) |
| ICIS | Integrated Consumable Item Support (US DoD) |
| ICIS | International Colleges of Islamic Science (London, UK) |
| ICIS | Interdepartmental Committee on Internal Security |
| ICIS | Integrated Consumable Item Support model (US Defense Logistics Agency) |
| ICIS | Intelligent Coin Identification System |
| ICIS | Insurance Claim Information System (insurance) |
| ICIS | Intelligent Configuration Identification System |
| ICIS | Investment and Cost Information System (Bellcore) |
| ICIS | [not an acronym] (formerly Independent Chemical Information Services; petrochemical industry; France) |
| ICIS | International Cosmetic Ingredients Dictionary (Canada) |